Держи (XHDD, XDVD2, XMGR + RDISK). Народ невозбранно пилит. http://www.mdgx.com/upd98me.php
12-11-2010 Update
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XHDD.SYS + XDVD2.SYS storage cache and XMGR.SYS + RDISK.COM memory manager native DOS Device Drivers 16-bit for MS-DOS 5/6/7/8 + DR-DOS/OpenDOS, may or may not work with Windows 3.x/95/98/ME depending on computer hardware specs + custom configuration:
XHDD.SYS (HDD only) + XDVD2.SYS (CD/DVD/BD only) PIO/U(ltra)ATA/U(ltra)DMA/S(erial)ATA Universal Unified Hard Disk, CD/DVD/BD Driver + Disk/Sector Cache Driver allows up to 32 UATA/UDMA/SATA Hard Disks + PIO/UATA/UDMA/SATA CD/DVD/BD Drives to run at full speed in native DOS;
XMGR.SYS Extended (XMS) DOS memory manager, maps + handles up to 4 GB of XMS RAM, abides by XMS 3.0 standard, compatible with EMM386.EXE, UMBPCI.SYS, DR-DOS etc;
RDISK.COM RAM Disk Driver creates a fake FAT16 disk drive in extended (XMS) memory (much faster than actual hard disks) using from 2 MB up to 2 GB of RAM.
ЕМНИП, оттуда я брал патч для 48-битного LBA на HDD.